1 — Prostate; 2 — Uvula of bladder; 3 — Interureteric fold; 4 — Median umbilical ligament; 5 — Apex of bladder; 6 — Mucosal folds; Rugae; 7 — Ureteric orifice; 8 — Fundus of bladder; Trigone of bladder; 9 — Internal urethral orifice; 10 — Urethral crest; 11 — Seminal colliculus
